K. Niwa

Coupling of cerebral blood flow to neuronal activation: role of adenosine and nitric oxide

Ulrich Dirnagl, K. Niwa, Ute Lindauer et al. · American Journal of Physiology-Heart and Circulatory Physiology · 1994 · 190 citations

Life Sciences, Neuroscience, Pharmacology +14

Patterns of pelvic invasion are prognostic in the treatment of locally recurrent rectal cancer

Kazutaka Yamada, Takashi Ishizawa, K. Niwa et al. · British journal of surgery · 2001 · 157 citations · Full text

Medicine, Oncology, Surgery +16

Cortical hypoperfusion after global forebrain ischemia in rats is not caused by microvascular leukocyte plugging.

Ulrich Dirnagl, K. Niwa, G. Sixt et al. · Stroke · 1994 · 69 citations · Full text

Medicine, Neurobiology, Neuroscience +15

Toward successful implementation of knowledge-based systems: expert systems versus knowledge sharing systems

K. Niwa · IEEE Transactions on Engineering Management · 1990 · 27 citations

Management, Information Systems, Knowledge Management +13

Effect of a dihydropyridine analogue, 2-[benzyl(phenyl)amino]ethyl 1,4-dihydro-2,6-dimethyl-5-(5,5-dimethyl-2-oxo- 1,3,2-dioxaphosphorinan-2-yl)-1-(2-morpholinoethyl)-4-(3-nitrophenyl)-3 -pyridinecarboxylate on reversing in vivo resistance of tumor cells to adriamycin.

K. Niwa, Kazutaka Yamada, Toru Furukawa et al. · PubMed · 1992 · 20 citations

Medicine, Oncology, Pharmacology +17